Introduced in October 1993, the PowerBook Duo 250 added an active matrix screen to the Duo mix.
This plus an improved battery (which lasts 2.5 hours) did a great deal to increase the popularity of the Duo line.
- Got a PowerBook Duo? Join our PowerBook Duo and PowerBook 2400c Club on Facebook.
Details
- introduced 1993.10.21 at $2,500; discontinued 1994.05.01
- supports System 7.1 to Mac OS 8.1
- CPU: 33 MHz 68030
- FPU: optional 68882 in dock
- Performance: 4.6 (relative to SE)
- RAM: 4 MB, expandable to 24 MB using a single Duo RAM card
- ROM: 1 MB
- display: 640 x 400 84 ppi 4-bit active matrix
- ADB port: only with dock
- SCSI port: only with dock
- serial ports: 1 DIN-8 RS-422 port on back of computer
- proprietary modem slot
- Gestalt ID: 38
- Size (HxWxD): 1.4″ x 10.9″ x 8.5″
- Weight: 4.2 pounds
- upgrade path: Duo 280
- power supply: M7783
Online Resources
Cautions
- Apple Computer will consider this computer obsolete as of July 16, 2001 in the United States and July 23, 2001 in Canada. As of that date, service parts and documentation will no longer be available from Apple.
- Modem port limited to 57.6 kbps (printer port may be faster); use of a 56k modem on the modem port may limit throughput. See 56k modem page.
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